Home / 108,268.32-162,415.68-45,917.76

Finding the Fourth Proportional to 108,268.32, 162,415.68 and 45,917.76

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Solution

The fourth proportional to 108,268.32, 162,415.68 and 45,917.76 is: 68,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,268.32 : 162,415.68 = 45,917.76 : x
  2. Step 2: Convert to fraction form
    108,268.32/162,415.68 = 45,917.76/x
  3. Step 3: Cross multiply
    108,268.32x = 162,415.68 × 45,917.76
  4. Step 4: Simplify right side
    108,268.32x = 7,457,764,214.48
  5. Step 5: Solve for x
    x = 7,457,764,214.48/108,268.32
  6. Step 6: Final answer
    x = 68,882.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.